About the Authors
- Christopher J. Graves
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Affiliation University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
- Vera I. D. Ros
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Affiliation University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
- Brian Stevenson
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Affiliation University of Kentucky, Lexington, Kentucky, United States of America
- Paul D. Sniegowski
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Affiliation University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
- Dustin Brisson
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* E-mail: dbrisson@sas.upenn.edu
Affiliation University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: DB CJG. Performed the experiments: CJG VIDR DB. Analyzed the data: CJG DB PDS. Contributed reagents/materials/analysis tools: BS. Wrote the paper: CJG PDS DB.